1. Oxford, United Kingdom; Boston, MA; and Brooklyn, NY
2. Department of Otolaryngology, University of Oxford, and The Radcliffe Infirmary, Oxford
3. Division of Otolaryngology, Brigham and Women's Hospital, Boston, and the Department of Otology and Laryngology, Harvard Medical School, Boston
4. Department of Otolaryngology, State University of New York Downstate and The Long Island College Hospital